Question 1

What is the total number of Earth's species that have been identified?

Accepted Answer

A)  10 million species 
B)  12 million species 
C)  200 million species 
D)  1.8 million species 
A)  10 million species 
B)  12 million species 
C)  200 million species 
D)  1.8 million species D

Question 2

A marine protected area is ___________.

Accepted Answer

A)  All marine with no adjacent land area included 
B)  All or mostly marine area, sometimes with portions of adjacent land 
C)  All pelagic area 
D)  Only coastal areas with no deep sea space 
A)  All marine with no adjacent land area included 
B)  All or mostly marine area, sometimes with portions of adjacent land 
C)  All pelagic area 
D)  Only coastal areas with no deep sea space B

Question 3

You have been researching a very small population of Tasmanian Devils.What uncertainties about this small population should be of extreme importance and interest to you when prioritizing your research?

Accepted Answer

A)  The number of individuals born male or female 
B)  The number of individuals that die or reproduce in a given year 
C)  When the species evolved 
D)  The genetic diversity of individuals in the population 
A)  The number of individuals born male or female 
B)  The number of individuals that die or reproduce in a given year 
C)  When the species evolved 
D)  The genetic diversity of individuals in the population A,B,D

Question 4

Florida panthers experienced an inbreeding depression and the effects of this were observable in offspring,which showed a susceptibility to mange and morphological deformities.What is an inbreeding depression?

Accepted Answer

A)  The inheritance of harmful alleles due to breeding between close relatives 
B)  Decreased breeding due to reduced population health 
C)  Breeding between subspecies 
D)  Breeding between hybrids 
A)  The inheritance of harmful alleles due to breeding between close relatives 
B)  Decreased breeding due to reduced population health 
C)  Breeding between subspecies 
D)  Breeding between hybrids

Question 5

Which of the following are threats to biodiversity?

Accepted Answer

A)  Invasive species 
B)  Habitat disruption 
C)  Overexploitation 
D)  Global environmental change 
A)  Invasive species 
B)  Habitat disruption 
C)  Overexploitation 
D)  Global environmental change

Question 6

Why might it be important to preserve rare alleles in a population?

Accepted Answer

A)  Because these alleles may be selected for in the future if environmental conditions change 
B)  Because these alleles are mutations that increase fitness 
C)  Because these alleles will confer immediate advantages 
D)  These alleles are not important to populations 
A)  Because these alleles may be selected for in the future if environmental conditions change 
B)  Because these alleles are mutations that increase fitness 
C)  Because these alleles will confer immediate advantages 
D)  These alleles are not important to populations

Question 7

Which factors can contribute to an extinction vortex?

Accepted Answer

A)  Fragmenting populations 
B)  Overharvesting of a species 
C)  A catastrophic event 
D)  A large effective population size 
A)  Fragmenting populations 
B)  Overharvesting of a species 
C)  A catastrophic event 
D)  A large effective population size

Question 8

In which ways can habitat disruption result from anthropogenic influences?

Accepted Answer

A)  The habitat can be destroyed for development 
B)  The habitat can be degraded by pollution 
C)  The habitat can be altered by climate change 
D)  The habitat can be converted to agricultural lands 
A)  The habitat can be destroyed for development 
B)  The habitat can be degraded by pollution 
C)  The habitat can be altered by climate change 
D)  The habitat can be converted to agricultural lands

Question 9

Which of the following would be a method used by biologists to rescue small populations from the loss of genetic diversity?

Accepted Answer

A)  Breeding with the last common ancestor 
B)  Cloning individuals 
C)  Controlled breeding in captivity and subsequent reintroduction 
D)  There is no way to rescue a small populations with lost genetic diversity 
A)  Breeding with the last common ancestor 
B)  Cloning individuals 
C)  Controlled breeding in captivity and subsequent reintroduction 
D)  There is no way to rescue a small populations with lost genetic diversity

Question 10

In general which group of species likely has the greatest number of species that have yet to be named?

Accepted Answer

A)  Insects, centipedes, and millipedes 
B)  Fungi 
C)  Plants 
D)  Mollusks 
A)  Insects, centipedes, and millipedes 
B)  Fungi 
C)  Plants 
D)  Mollusks

Question 11

What is the simplest way to describe biodiversity?

Accepted Answer

A)  It is simply all the animals of the rainforest 
B)  It is all the bacteria and animals of the tropical biomes 
C)  It is the number of species found in a defined geographic unit 
D)  It is the percentage of rare species in a defined geographic unit 
A)  It is simply all the animals of the rainforest 
B)  It is all the bacteria and animals of the tropical biomes 
C)  It is the number of species found in a defined geographic unit 
D)  It is the percentage of rare species in a defined geographic unit

Question 12

At what scales can biodiversity be assessed?

Accepted Answer

A)  Genetic diversity within species 
B)  Using phylogenetic analyses 
C)  Species within a community 
D)  Subspecies within a species 
A)  Genetic diversity within species 
B)  Using phylogenetic analyses 
C)  Species within a community 
D)  Subspecies within a species

Question 13

Which geographic region is currently seeing the greatest threats to amphibian diversity?

Accepted Answer

A)  Africa 
B)  North America 
C)  South Africa 
D)  Europe 
A)  Africa 
B)  North America 
C)  South Africa 
D)  Europe

Question 14

It is documented that some introduced species can assimilate into communities without an obvious effect.However,many have caused significant alterations to native communities.Which of the following is an example of an accidentally introduced species that has reduced biodiversity?

Accepted Answer

A)  Finches on to the Galapagos Islands 
B)  Tasmanian devils on to Australia 
C)  Brown tree snakes on to Guam 
D)  All of the above 
A)  Finches on to the Galapagos Islands 
B)  Tasmanian devils on to Australia 
C)  Brown tree snakes on to Guam 
D)  All of the above

Question 15

Penn et al.(2000)and Lacy (1993)used a population viability analysis (PVA)to investigate whether two populations of koalas were declining in Queensland.Which of the following is true regarding this study?

Accepted Answer

A)  The model showed that both populations had a similar probability of extinction 
B)  The predictions of their PVA were able to be checked for accuracy because researchers had tracked the populations since the 1970s 
C)  The one population was experiencing an inbreeding depression 
D)  The PVA predictions were similar to the actual population trends 
A)  The model showed that both populations had a similar probability of extinction 
B)  The predictions of their PVA were able to be checked for accuracy because researchers had tracked the populations since the 1970s 
C)  The one population was experiencing an inbreeding depression 
D)  The PVA predictions were similar to the actual population trends

Question 16

The percentage of Atelopid tropical frogs going extinct is:

Accepted Answer

A)  Not associated with the Chytrid disease or temperature 
B)  Positively associated with air temperature increasing above average, which leads to Chytrid driving more frogs to extinction 
C)  Is negatively associated with air temperature increasing above average, which leads to Chytrid driving more frogs to extinction 
D)  Due to Chytrid and the data show no evidence to suggest temperature has any contribution 
A)  Not associated with the Chytrid disease or temperature 
B)  Positively associated with air temperature increasing above average, which leads to Chytrid driving more frogs to extinction 
C)  Is negatively associated with air temperature increasing above average, which leads to Chytrid driving more frogs to extinction 
D)  Due to Chytrid and the data show no evidence to suggest temperature has any contribution

Question 17

The results of a study of southern dunlin in Sweden showed that _______.

Accepted Answer

A)  As the population declined, mating pairs found individuals with rare alleles 
B)  As time progressed, the population size recovered 
C)  The offspring of mated close relatives were less likely to hatch 
D)  More eggs hatched from more closely related mating pairs than less closely related mating pairs. 
A)  As the population declined, mating pairs found individuals with rare alleles 
B)  As time progressed, the population size recovered 
C)  The offspring of mated close relatives were less likely to hatch 
D)  More eggs hatched from more closely related mating pairs than less closely related mating pairs.

Question 18

Irreplaceability to a conservation biologist would mean _______.

Accepted Answer

A)  A measure of how much biodiversity is lost each year as a result of climate change 
B)  A value of how many rare plants and animals exist in a given area 
C)  A relative measurement of how important an area of land is for achieving regional conservation targets 
D)  How many individuals within a population have rare alleles that cannot be replaced 
A)  A measure of how much biodiversity is lost each year as a result of climate change 
B)  A value of how many rare plants and animals exist in a given area 
C)  A relative measurement of how important an area of land is for achieving regional conservation targets 
D)  How many individuals within a population have rare alleles that cannot be replaced

Question 19

When is a species is considered to be critically endangered?

Accepted Answer

A)  If there is a 50% probability of extinction in 5 years or 2 generations, whichever is longer 
B)  If there is a 50% probability of extinction in 10 years or 3 generations, whichever is longer 
C)  If there is a 20% probability of extinction in 20 years or 3 generations, whichever is longer 
D)  If there is a 20% probability of extinction in 20 years or 5 generations, whichever is longer 
A)  If there is a 50% probability of extinction in 5 years or 2 generations, whichever is longer 
B)  If there is a 50% probability of extinction in 10 years or 3 generations, whichever is longer 
C)  If there is a 20% probability of extinction in 20 years or 3 generations, whichever is longer 
D)  If there is a 20% probability of extinction in 20 years or 5 generations, whichever is longer

Question 20

Which of the following can make populations occupying smaller habitat more vulnerable?

Accepted Answer

A)  Genetic factors 
B)  Time since divergence from a last common ancestor 
C)  Demographic factors 
D)  Habitat reduction 
A)  Genetic factors 
B)  Time since divergence from a last common ancestor 
C)  Demographic factors 
D)  Habitat reduction

What is the total number of Earth's species that have been identified?

A marine protected area is ___________.

You have been researching a very small population of Tasmanian Devils.What uncertainties about this small population should be of extreme importance and interest to you when prioritizing your research?

Florida panthers experienced an inbreeding depression and the effects of this were observable in offspring,which showed a susceptibility to mange and morphological deformities.What is an inbreeding depression?

Which of the following are threats to biodiversity?

Why might it be important to preserve rare alleles in a population?

Which factors can contribute to an extinction vortex?

In which ways can habitat disruption result from anthropogenic influences?

Which of the following would be a method used by biologists to rescue small populations from the loss of genetic diversity?

In general which group of species likely has the greatest number of species that have yet to be named?

What is the simplest way to describe biodiversity?

At what scales can biodiversity be assessed?

Which geographic region is currently seeing the greatest threats to amphibian diversity?

It is documented that some introduced species can assimilate into communities without an obvious effect.However,many have caused significant alterations to native communities.Which of the following is an example of an accidentally introduced species that has reduced biodiversity?

Penn et al.(2000)and Lacy (1993)used a population viability analysis (PVA)to investigate whether two populations of koalas were declining in Queensland.Which of the following is true regarding this study?

The percentage of Atelopid tropical frogs going extinct is:

The results of a study of southern dunlin in Sweden showed that _______.

Irreplaceability to a conservation biologist would mean _______.

When is a species is considered to be critically endangered?

Which of the following can make populations occupying smaller habitat more vulnerable?

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Birth, Death and Movement

Interspecific Competition

Predation, Grazing and Disease

Molecular and Evolutionary Ecology

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

The Ecology of Human Population Growth, Disease, and Food Supply

Filters

Exam 13: Conservation Ecology

What is the total number of Earth's species that have been identified?

A marine protected area is ___________.

You have been researching a very small population of Tasmanian Devils.What uncertainties about this small population should be of extreme importance and interest to you when prioritizing your research?

Florida panthers experienced an inbreeding depression and the effects of this were observable in offspring,which showed a susceptibility to mange and morphological deformities.What is an inbreeding depression?

Which of the following are threats to biodiversity?

Why might it be important to preserve rare alleles in a population?

Which factors can contribute to an extinction vortex?

In which ways can habitat disruption result from anthropogenic influences?

Which of the following would be a method used by biologists to rescue small populations from the loss of genetic diversity?

In general which group of species likely has the greatest number of species that have yet to be named?

What is the simplest way to describe biodiversity?

At what scales can biodiversity be assessed?

Which geographic region is currently seeing the greatest threats to amphibian diversity?

It is documented that some introduced species can assimilate into communities without an obvious effect.However,many have caused significant alterations to native communities.Which of the following is an example of an accidentally introduced species that has reduced biodiversity?

Penn et al.(2000)and Lacy (1993)used a population viability analysis (PVA)to investigate whether two populations of koalas were declining in Queensland.Which of the following is true regarding this study?

The percentage of Atelopid tropical frogs going extinct is:

The results of a study of southern dunlin in Sweden showed that _______.

Irreplaceability to a conservation biologist would mean _______.

When is a species is considered to be critically endangered?

Which of the following can make populations occupying smaller habitat more vulnerable?

Ecology and How to Do It

Ecology’s Evolutionary Backdrop

Physical Conditions and the Availability of Resources

Climate and the World’s Biomes

Birth, Death and Movement

Interspecific Competition

Predation, Grazing and Disease

Molecular and Evolutionary Ecology

From Populations to Communities

Patterns in Species Richness

The Flux of Energy and Matter Through Ecosystems

Global Biogeochemical Cycles and Their Alteration by Humans

The Ecology of Human Population Growth, Disease, and Food Supply

Filters